Whether you’re designing a public restroom or updating an existing facility, a 3-stall bathroom layout requires careful planning and consideration. With the right layout, you can design the bathroom to accommodate high traffic and make it pleasing to use for everyone.

Let’s dive into the key elements that help you design a 3-stall bathroom layout that’s spacious, comfortable, and accessible.

Understanding 3-Stall Bathroom Layouts

A 3-stall bathroom layout features three individual toilet stalls in a row where each stall provides privacy with partition walls and a door that swings inward or outward. These stalls often include one that meets ADA standards to give extra space for wheelchair access and add handrails for support.

Traffic flow and convenience drive the layout choices in 3-stall bathrooms as designers often position the entrance to allow quick access without compromising user privacy. This arrangement maximizes the available space to create a fully functional bathroom solution for public settings.

When planning a three-stall bathroom layout, it’s important to optimize the space for both standard and ADA-compliant stalls for a space-efficient design. Here are the dimensions you need to follow:

• Stall dimensions: Modern bathroom stalls have typical widths of 36 inches with a depth between 56 to 60 inches. Smaller restrooms with a three-quarter bath can use narrower stalls without compromising usability. An L-shape configuration may fit well into smaller areas, especially when the design places stalls along two adjacent walls.
• Floor layout: A three-stall bathroom should leave at least 21 inches of clearance in front of each stall for easy movement. Properly managing the floor areas means the restroom won’t feel cramped, even during busy times.

Material Choices for a 3-Stall Bathroom Layout

Bathroom partitions are made of different materials to suit various applications. Understanding what materials are used for them is important in helping you design your 3-stall bathroom layout correctly.

Plastic Laminate

When looking for an affordable and versatile option, plastic laminate partitions are often the go-to choice for many bathroom designs. These partitions are constructed from a core material such as particleboard, which is then coated with a decorative layer of plastic laminate.

They are widely used in spaces that require aesthetic flexibility without compromising on cost. While they are ideal for environments with minimal moisture, they offer a variety of designs that can match most interiors.

Pros:

• Affordability: Many choose plastic laminate for its low cost, making it perfect for projects with tight budgets.
• Customization: You can select from a wide range of colors and patterns, allowing creative designs.
• Ideal for dry areas: If you install them in spaces with minimal humidity, they can last for a long time without issues.

However, despite their design flexibility, plastic laminate partitions do have some drawbacks in high-humidity areas or where frequent cleaning is needed.

Cons:

• Vulnerability to moisture: Laminate materials tend to deteriorate when exposed to moisture, causing delamination and warping.
• Less durable: These partitions may not hold up well in high-traffic areas or against repeated wear and tear.

Solid Plastic (HDPE)

Solid plastic partitions, made from high-density polyethylene (HDPE), can endure the harshest conditions. These partitions are ideal for public restrooms or areas where moisture, heavy use, and exposure to elements may be present.

Due to their non-porous surface, they are resistant to stains, mold, and graffiti, making them a preferred choice in places like schools, gyms, and recreational facilities.

Pros:

• Waterproof: They handle exposure to moisture and humidity without warping or mold growth, making them ideal for public bathrooms or locker rooms.
• Durability: Solid plastic handles frequent use, scratches, and graffiti without showing much wear, and they are easy to clean.
• Low maintenance: Their non-porous surface resists stains, making them easier to clean and maintain compared to other materials.

Solid plastic proves to be a practical investment for facilities that experience heavy traffic or frequent vandalism, although it comes at a higher price point.

Cons:

• Higher cost: The upfront price of solid plastic partitions is higher, though they often pay off over time through durability.
• Limited color selection: Compared to laminate, the available color choices for solid plastic may be limited.

Solid Phenolic

Solid phenolic partitions are constructed from layers of resin-soaked paper, pressed together to form a strong and dense material. These partitions stand out due to their high resistance to vandalism, moisture, and even bacteria. They are perfect for high-traffic areas that need to maintain cleanliness and appearance.

Phenolic partitions offer an exceptional balance between strength and customizability, which is why they are often selected for commercial restrooms, hospitals, and schools.

Pros:

• Long-lasting durability: Solid phenolic can withstand vandalism, moisture, and bacteria, making it suitable for high-traffic bathrooms.
• Customizable appearance: You can choose from a variety of colors and finishes without sacrificing durability.
• Easy to maintain: Since the surface is non-porous, it resists odors and moisture, allowing for quick cleaning with minimal effort.

Though phenolic partitions offer impressive durability and low maintenance, their higher cost and heavier weight might increase installation complexity and overall project costs.

Cons:

• Higher price tag: Solid phenolic often comes with a higher upfront cost compared to other materials, but the long-term benefits can justify the investment.
• Heavier material: The weight of phenolic panels may require stronger installation systems, potentially increasing installation costs.

When choosing materials for a 3-stall bathroom, consider the conditions the partitions will face. Solid plastic and solid phenolic partitions excel in environments with high moisture or traffic, ensuring long-term performance and minimal maintenance.

For spaces with less exposure to moisture, plastic laminate offers an affordable solution with a wide range of design options, though it may require more frequent upkeep.

ADA Requirements for a 3-Stall Bathroom Layout

To meet ADA standards, a 3-stall bathroom must focus on accessibility features that accommodate users with disabilities while keeping usability in mind.

Wheelchair-Accessible Stall

Every multi-user restroom needs at least one wheelchair-accessible stall, often referred to as an ADA alcove stall. The stall should measure at least 60 inches wide and 56 inches deep for wall-mounted toilets, with a 59-inch depth for floor-mounted options. The door must provide a 32-inch clear opening for easy access.

Grab bars should be mounted on both the rear and side walls, positioned 33-36 inches from the floor. The centerline of the toilet should be 16-18 inches from the side wall to provide space for wheelchair users to maneuver.

The toilet partitions need to include at least 9 inches of toe clearance to give users space to move without obstruction.

Ambulatory Accessible Stall

An ambulatory stall is mandatory in restrooms with six or more fixtures, but you can also use them in smaller restrooms. These stalls, narrower than wheelchair stalls at 35-37 inches wide, must include grab bars on both sides to assist users needing support.

An ADA alcove stall design also helps individuals who use crutches or other mobility aids. The stall must still meet the 60-inch depth requirement and have a door that does not encroach on the interior space.

Sinks and Maneuvering Clearances

Sinks should stand no higher than 34 inches above the floor, allowing wheelchair users to access the faucet easily. The space beneath the sink must provide at least 29 inches of clearance for knee and toe room.

The faucet should either operate with a lever or through a touch-activated mechanism, so it remains user-friendly. The overall layout must allow 60 inches of turning space for wheelchair users to maneuver inside the bathroom safely.

Toilet partitions and mounting styles should not block or reduce the required space needed for wheelchair accessibility.

Additional ADA Elements

In multi-stall bathrooms, other considerations such as urinal height, signage, and grab bars play a significant role in accessibility. At least one urinal must have its rim no higher than 17 inches from the floor.

Signs must include Braille and raised characters and should not be placed higher than 60 inches. These fixtures work together to make the bathroom accessible for everyone, regardless of their abilities.

Keeping these guidelines in mind allows for a functional layout that works for all users. Use these handicapped bathroom ideas to make your 3-stall bathroom layout ADA-compliant.

Common Mistakes to Avoid When Designing a 3-Stall Bathroom Layout

Designing a functional and aesthetically pleasing 3-stall bathroom layout requires attention to several important factors. Here are some common mistakes to avoid, explained in detail:

Poor Fixture Placement

One of the most frequent mistakes is placing fixtures in inconvenient locations, particularly the toilet. Placing the toilet directly in line with the bathroom door not only disrupts the visual flow but also detracts from the design’s overall appeal.

Instead, position the toilet in a more discreet location, such as behind a partition or tucked into a corner. This helps maintain privacy for the users and creates a more welcoming atmosphere as soon as they enter the room.

Insufficient Space Between Fixtures

A cramped bathroom not only feels uncomfortable but can also create functional issues. Each stall and fixture, including sinks and toilets, should have adequate space around them to ensure ease of use. For example, toilets require at least 18 inches of space on either side and 30 inches in front for comfort and usability.

Shower areas also need proper spacing, particularly if you incorporate partitions or doors that need room to swing or slide. Avoid space-saving methods that deprive the bathroom of essential amenities to maintain its full functionality.

Ignoring Ventilation Needs

Bathrooms are prone to moisture buildup, making ventilation crucial to avoid mold and damage. Many people overlook the importance of proper ventilation, which leads to long-term damage to surfaces and materials.

Installing an efficient exhaust system is essential, especially near high-moisture areas such as the shower. Each area in multi-stall bathrooms needs sufficient air circulation to help maintain a hygienic and pleasant environment.

Cutting Corners on Lighting

Lighting is often neglected in bathroom designs which affects its functionality and ambiance. Relying on a single overhead light can leave the space feeling dim or too stark.

Try to incorporate multiple lighting sources, such as task lighting for each stall to improve practicality and aesthetics. Dimmer switches can also provide versatility and allow users to adjust the light intensity based on their needs.

Overlooking Storage

In smaller or multi-stall bathrooms, insufficient storage is a common issue. Without built-in storage solutions, items like toiletries, towels, and cleaning supplies end up cluttering the space.

Consider adding vertical storage options, such as shelving or cabinetry to keep the bathroom organized. Planning for storage early in the design phase ensures that you won’t have to compromise on aesthetics later.

Choosing the Wrong Materials

Bathrooms are high-moisture environments, so choosing the right materials is critical. Opting for non-water-resistant flooring or countertops can lead to long-term damage, such as warping or mold growth.

Choose durable, waterproof materials, such as ceramic tiles or quartz countertops, which are easy to maintain and resilient against moisture. Also, ensure that flooring is slip-resistant to avoid safety hazards, especially in a high-traffic, multi-stall bathroom.

Neglecting Accessibility

Accessibility is another key consideration in multi-stall bathrooms. Make sure there is enough space for individuals with limited mobility to navigate easily. Install features like grab bars or wider stalls so that handicapped people can utilize the bathroom effectively. Thoughtful design choices improve safety and comfort, making the space more inclusive.

Addressing these common mistakes will help create a well-designed, efficient, and attractive 3-stall bathroom.

Complete Your 3-Stall Bathroom Layout With American Specialties

Upgrade your facility with a sleek 3-stall bathroom layout using high-quality partitions and accessories from American Specialties. Discover the perfect balance of style and durability for your restroom and make every visit comfortable for its users.

With our 48-hour quick-ship process, you can finally have a clean, modern space that functions as well as it looks. Contact us at (914) 476-9000 or fill out this form for more information.

FAQs About 3-Stall Bathroom Layout

What type of doors work best for a 3-stall layout?

Inward or outward swinging doors are common choices, depending on available space. Sliding doors may be a good option if you work with a tight layout. Leave enough clearance for users to comfortably move in and out.

How can I optimize privacy in a 3-stall bathroom layout?

Use full-height partitions or floor-to-ceiling walls for maximum privacy. Tall doors that reach near the floor reduce the visible gaps and make each stall feel more private.

Should there be an air vent in each stall?

Proper airflow matters to prevent odors and moisture buildup. A well-placed exhaust fan can handle ventilation for the entire bathroom, though placing a vent over each area might help in spaces that see heavy use.